Faxon Firearms Duty 5.56 16" Upper Receiver Assembly - FXURGD55616SA13CSR

This is a complete AR-15 upper receiver assembly in 5.56 NATO caliber with a 16-inch barrel, designed for duty and general purpose use. The upper features a direct impingement system with a carbine-length gas tube and includes a flat-top receiver with Picatinny rail for optic mounting. Ships ready to pair with any standard AR-15 lower receiver.